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Digital Electronics

Digital Electronics
For checking the parity of a digital word, it is preferable to use

 NOR gates
 NAND gates
 AND gates
 X-OR gates

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Digital Electronics
Master-slave flip flop consists of ________ flip-flop(s).

 4
 2
 1
 3

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Digital Electronics
8421 code is

 weighted code
 alphanumeric code
 non-weighted code
 self-complementing code

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Digital Electronics
The boolean algebra is mostly based on

 De Morgans theorem
 Boolean theorem
 Standard theorem
 De Morpans theorem

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Digital Electronics
Dual slope ADC has R = 1 KΩ and C = 0.22 nanofarad has charging and discharge times for some voltage is 9 ns and 3 ns respectively. The reference Voltage is 2.2 V. What is the peak voltage reached by triangular wave during charging?

 900 mV.
 30 mV.
 90 mV.
 300 mV.

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Digital Electronics
The largest positive number that can be stored in a computer that has 16-bit word length and uses two’s complement arithmetic is

 32,768
 32
 32,767
 65,536

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